The main function:◆ U disk support, TF card plug and play◆ breakpoint memory◆ 3.5MM audio cable AUX input◆ USB cable and lithium battery-powered dual-mode, freedom of choice.◆ removable lithium battery, like a cell phone as easy◆ Antenna radio, more convenient, FM radio channels in 87.5-108MHz ◆ band antennaDescription: You can insert U disk, TF card (microSD card phone card that is commonly used), can be connected to mobile phones, computers, MP3 and the like loud, with superior breakpoint memory play, into which, or off and then open Nana began to play with the display, breakpoint memory means can then shut down after the last track is playing, if a memory installed hundreds of songs, impossible-time listening, if there is no memory of the speakers, each Well times have to start from scratch, built 3W speakers sound loud, as an individual speaker, volume enough friends.